Rev C
061319
MSRD08
TABLE OF CONTENTS
1. DESCRIPTION
1.1 ANSI and OSHA
2. APPLICATION
2.1 Purpose
2.2 Personal Fall Arrest System
2.3 Rescue
2.4 Application Limits
3. SYSTEM REQUIREMENTS
3.1 Capacity
3.2 Compatibility Of Connectors
3.3 Compatibility Of Components
3.4 Making Connections
3.5 Personal Fall Arrest System
3.5.1 Average Arrest Force and Arrest Distance
3.6 PFAS Anchorage Strength
3.7 Definitions
4. USER INSTRUCTIONS
4.1. Install the SRD
4.1.1 Calculate SRL-LE MRFC Anchorage: 5' Setback From Leading Edge
and 5' Below the Dorsal D-ring.
4.1.2 Calculate SRL-LE MRFC Anchorage: 0' Setback From Leading Edge
and 5' Below the Dorsal D-ring:
4.1.3 Swing Fall with 5' Setback:
4.1.4 Swing Fall with 0' Setback
4.1.5 Angle of Redirection
4.1.6 Edge Conditions
4.1.7 Incorrect Use
4.2 Operation of the SRD
4.2.1 Locking Mechanism:
4.2.2 Fall Arrest Impact Indicator
4.2.3 Lifeline Operational Limit and Reserve Indicators
4.2.4 Inspect the Constituent Cable
4.3 Use the SRD
4.4 After A Fall
5. SPECIFICATIONS
6. MAINTENANCE, SERVICE, AND STORAGE
6.1 Maintenance
6.2 Service
6.3 Storage
7. INSPECTION
7.1 Pre-Use Inspection
7.2 Inspection Frequency
7.3 Inspection Checklist
7.4 Inspection Results
7.5 Inspection Document
8. LABELS
9. STANDARD SRD
APPENDIX A
Table 1A, Table 1B, Table 2, Table 3, Chart 1, Chart 2,
Chart 9, Figures 1 – 9
APPENDIX B
Figures 1 – 13, Inspection Record
1. DESCRIPTION
The FallTech® Contractor Leading Edge SRD is a self-retracting device for those working at height and subject to Leading Edge fall hazards.
For purposes of this manual, the Contractor Leading Edge SRD in all iterations may be referred to collectively as the SRD, the SRD-Leading Edge
(SRD-LE), the self-retracting device, the equipment, the device, the product, or the unit.
This manual contains two Appendices, Appendix A and Appendix B. Appendix A contains figures and tables specific to the Contractor Cable SRD
discussed in this manual. Appendix B contains figures and tables applicable to fall protection equipment in general. All figure, table, section, and
chart references in this manual are to Appendix A unless otherwise noted.
The SRD discussed in this manual may be attached to an overhead anchorage, i.e., from directly over the user's head, to as low as the level of the
user's FBH dorsal D-ring. The SRD may also be attached to a non-overhead anchorage, i.e., level with the user's FBH dorsal D-ring, down to foot-
level, to a maximum of 5' below the D-ring.
Leading edge means the unprotected side and edge of a floor, roof, or formwork for a floor or other walking/working surface (such as deck) which
changes location as additional floor, roof, decking or formwork sections are placed, formed or constructed.
The shape and texture of a leading edge may vary. See paragraph 2.4.
The SRD, as shown in Figure 1, consists of a self-closing, self-locking housing end carabiner connected to an attachment eye on a nylon housing. The
housing is equipped with a carrying handle and contains a lifeline composed of 30' or 50' lengths of 7/32" galvanized steel wire rope, wound onto a
spring-tensioned drum. The SRD lifeline is equipped with a cable stop/handle assembly with a spring bumper, and is terminated with swaged eye.
An integrated Energy Absorber (EA), is attached to the lifeline eye, and is equipped with a load-indicating swiveling steel carabiner,
When the user is attached, the lifeline extends and retracts, automatically maintaining a taut line. If a fall occurs, a centrifugal pawl system
engages, stops the lifeline payout. The EA deploys, slowing and arresting the fall.
See Table 1A for product and materials specifications.
1.1 American National Standards Institute (ANSI) and Occupational Safety and Health Act (OSHA):
The SRD discussed in this manual meets the
standards of ANSI Z359.14-2014, ANSI A10.32-2012, and Occupational Safety and Health Act (OSHA) regulations 1926.502.
ANSI requires SRDs be classified according to their tested dynamic performance, and are classified either Class A or Class B, based on those test
results. Dynamic performance means that the SRD is installed in a testing drop tower. A test weight is attached to the SRD and then dropped. Test
results are recorded.
Parameters tested are:
•
Arrest Distance (AD)
•
Average Arrest Force (AAF)
•
Maximum Peak Arrest Force (MPAF)
The Arrest Distance is the total vertical distance required to arrest a fall. The Arrest Distance includes the deceleration distance and the activation distance.
The Average Arrest Force is the average of the forces applied to the body and the anchorage by the fall protection system.
The Maximum Peak Arrest Force is the maximum amount of force that may be applied to the body and the anchorage by the fall protection system.
In addition to the above tests conducted in ambient conditions, the units must be retested for average and peak forces under certain
environmental conditions, where the units are cooled, then tested, heated, then tested, and saturated in water and tested again. Separate units
may be used for each test. All test results are recorded.
This test data is then used to establish the basis for fall clearance guidelines published in the user instruction manual.
